consonant

IPA/ˈkɒnsənənt/
KK[kˈɑnsənənt]IPA/ˈkɑːnsənənt/

consonant — noun

  • consonantsingular
  • consonantsplural

1. a sound produced when the breath from your lungs is partly or fully blocked by y

1.nounB1
Definition

a sound produced when the breath from your lungs is partly or fully blocked by your lips, tongue, or teeth, or a written sign that stands for such a sound

Example

The word 'dog' begins with a consonant, but 'apple' starts with a vowel.

countable noun; contrasted with vowel

Nicholas found it hard to say the consonant 'th' because his first language does not have that sound.

consonant as a specific speech sound

Common collocations
  • consonant sound
  • consonant letter
  • consonant cluster
  • double consonant
Antonyms
  • vowel

    the other main category of speech sounds, made with an open airflow

Common Mistakes

English has five consonants in the alphabet.
English has twenty-one consonant letters in the alphabet.
The consonant letters are B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, and Z; vowels are A, E, I, O, U.

consonant — adjective

Word family

Synonym discussion

Sense: adjective/1

All three words describe things that go well together, but they differ in scope and tone. 'Consistent' is the most general and frequent: two things are consistent if they do not contradict each other (e.g., 'Her story is consistent with the facts'). 'Compatible' focuses on whether things can coexist or work together without problems, often used for people, technology, or systems (e.g., 'The software is compatible with older computers'). 'Harmonious' is more emotional and aesthetic, suggesting active blending rather than mere absence of conflict (e.g., 'The choir produced a harmonious sound'). 'Consonant' sits between them — it is more formal than 'consistent' and less poetic than 'harmonious,' and it almost always appears with the preposition 'with.' Use it when you want a precise, formal tone: 'The new policy is consonant with our ethical guidelines.'

Common collocations

Nouns

  • consonant sound
  • consonant letter
  • consonant cluster
  • consonant interval
  • consonant chord

Adverbs

  • fully consonant
  • entirely consonant
  • not consonant
  • completely consonant

Prepositions

  • consonant with

Etymology

LatinFrenchEnglish

Comes from Latin 'consonant-' meaning 'sounding together,' formed from 'con-' (together) and 'sonare' (to sound). The idea of letters that 'sound with' vowels led to its use for non-vowel speech sounds. The meaning of 'being in agreement' developed from the sense of notes that sound well together.